The number of atoms in 100 g of a fcc crystal with density …

Chemistry Solid State General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

The number of atoms in 100 g of a fcc crystal with density = 10.0 g/cm 3 and cell edge equal to 200 pm is equal to:

5 × × 10 24

5 × × 10 25

6 × × 10 23

2 × × 10 25

Text Solution

Verified by Experts

The correct answer is:

d =

N A = = 5 × 10 24 (here : 200 Pm = 2 × 10 –8 cm.)

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